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介质交换
1、dispersing medium───[物化]分散介质；色散介质；弥散剂；分散剂，色散介质
2、parchment exchange───羊皮纸交换
3、porous medium───[力]多孔介质；疏松介质
4、exchange───vi.交换；交易；兑换；n.交换；交流；交易所；兑换；vt.交换；交易；兑换
5、medium───n.方法；媒体；媒介；中间物；溶剂；灵媒；中庸；adj.中间的，中等的；半生熟的；（投球）中速的
6、medium height───中等身高；不胖不瘦；中等高度
7、educational exchange───教育（人员）交流；教育交流
8、medium of exchange───交换媒介（指货币，支票等）；n.交易媒介（指货币、支票等）
9、granulating medium───造粒介质
1、In fulfilling its role as the medium of exchange, money just facilitates the flow of goods and services.───货币在实现其作为交换媒介的功能的时候，只是促进了商品和服务的流动。
2、Objective to investigate the growth, expansion, and metabolic characteristics of the human dermal fibroblasts cultured in a bioreactor with batch and medium exchange modes.───目的探讨皮肤成纤维细胞在生物反应器中批式和间歇换液培养过程的生长、扩增与代谢特性。
3、We have the technology to move to a more efficient, convenient, freely flowing medium of exchange.───我们有技术能力转向一个更有效、更方便、更来去自由的交易媒介。